Add retry option to curl

.gitlab-ci.yml

@@ -109,7 +109,7 @@ test:
     - echo NEW_INSTANCE_ID=$NEW_INSTANCE_ID | tee -a instance.env
     - openstack server add floating ip $NEW_INSTANCE_ID $TEST_IP
     - >
-      curl https://rc.uab.edu/Shibboleth.sso/Metadata --resolve rc.uab.edu:443:$TEST_IP -kf
+      curl --retry 6 --retry-delay 20 --retry-connrefused https://rc.uab.edu/Shibboleth.sso/Metadata --resolve rc.uab.edu:443:$TEST_IP -kf
       || (openstack server delete $NEW_INSTANCE_ID && openstack image delete $BUILT_OOD_IMAGE_ID && false)
     - openstack server remove floating ip $NEW_INSTANCE_ID $TEST_IP
   artifacts: